Journal
CRYSTENGCOMM
Volume 20, Issue 5, Pages 578-589Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ce01536d
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Funding
- University Grants Commission (UGC), New Delhi, India [42-818/2013.SR]
- National Research Foundation CRP Grant [NRF-CRP15-2015-01]
- NUSNNI NanoCore fund [R-398-000-066-646]
- Singapore-Berkeley Research Initiative for Sustainable Energy (SinBerISE) [R-398-000-086-592]
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In the present work, for the first time, we report gamma-MnS films with a 3D microsphere morphology prepared through a chemical bath deposition technique at low temperature under aqueous conditions. The X-ray diffraction study confirmed the formation of wurtzite phase gamma-MnS. Growth temperature induces a change in the morphology of gamma-MnS films from microspheres to microflakes, which may be due to the difference in the nucleation process. The obtained gamma-MnS microspheres have a surface area of similar to 25 m(2) g(-1). The photoluminescence spectra show a strong yellow emission band centered at about 550 nm. The obtained microsphere ensemble plays a crucial role in influencing the magnetic behavior of gamma-MnS films. The highest coercive field (3320 Oe) and saturation magnetization (17 emu g(-1)) were obtained for gamma-MnS microspheres prepared at 60 degrees C.
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